TM 9-2320-365-20-4
19-3. AIR/HYDRAULIC POWER UNIT AND BRACKET REPLACEMENT/REPAIR (CONT)
(13) Install two preformed packings (25) on piston (22).
(14) Position piston (22) in air cylinder (26).
(15) Position preformed packing (27) and spring (28) in cover
(29) with screw (30).
(16) Tighten screw (30) to 12-18 lb-in. (1-2 N·m).
WARNING
Use care when installing screws, pump is
under spring tension. Failure to comply
may result in injury to personnel.
NOTE
Locate groove in air cylinder assembly on
upper half of pump assembly with chambered
end toward rear head.
(17) Install bumper (31), washer (32), and spring (33) on
guide (34).
(18) Position spring (33), air cylinder (26), and cover (29) on
pump (6) with four screws (35).
(19) Tighten four screws (35) to 85-95 lb-in. (10-11 N·m) in
sequence shown.
19-8.6
Change 1
